20102019

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{607}}^1$

素因数の和:719

約数の個数: 32

約数和(自身を含む): 32686080

約数和(自身を除く): 12584061

約数列:

[1, 3, 7, 19, 21, 57, 83, 133, 249, 399, 581, 607, 1577, 1743, 1821, 4249, 4731, 11039, 11533, 12747, 33117, 34599, 50381, 80731, 151143, 242193, 352667, 957239, 1058001, 2871717, 6700673, 20102019]

約数ペア:

[(1, 20102019), (3, 6700673), (7, 2871717), (19, 1058001), (21, 957239), (57, 352667), (83, 242193), (133, 151143), (249, 80731), (399, 50381), (581, 34599), (607, 33117), (1577, 12747), (1743, 11533), (1821, 11039), (4249, 4731)]